Plant Parasites of Europe

leafminers, galls and fungi

Tricholaba trifolii

Tricholaba trifolii Rübsaamen, 1917

on Trifolium

Tricholaba trifolii on Trifolium pratense

Trifolium pratense, Norway, Blindern, 15.ix.2020 © Hallvard Elven: female

Tricholaba trifolii on Trifolium pratense

Trifolium pratense, Norway, Blindern, 15.ix.2020 © Hallvard Elven: female

Tricholaba trifolii on Trifolium pratense

Trifolium pratense, Norway, Blindern, 15.ix.2020 © Hallvard Elven: gall

Tricholaba trifolii on Trifolium pratense

Trifolium pratense, Norway, Blindern, 15.ix.2020 © Hallvard Elven: gall

Tricholaba trifolii on Trifolium pratense

Trifolium pratense, Norway, Ellingsrud, 12.ix.2022 © Hallvard Elven: gall

Tricholaba trifolii on Trifolium pratense

Trifolium pratense, Norway, Blindern, 15.ix.2020 © Hallvard Elven: larva

Tricholaba trifolii on Trifolium pratense

Trifolium pratense, Norway, Blindern, 15.ix.2020 © Hallvard Elven: larva

Tricholaba trifolii on Trifolium pratense

Trifolium pratense, Norway, Ellingsrud, 12.ix.2022 © Hallvard Elven: larva

Tricholaba trifolii on Trifolium pratense

Trifolium pratense, Norway, Blindern, 15.ix.2020 © Hallvard Elven: male

gall

A lealet is folded over the midrib, and contains 1-2 yellow or pale orange larvae, that can jump. Pupation in the ground.

host plants

Fabaceae, monophagous

Trifolium medium, pratense, repens.

larva

Tricholana trifolii: spatula

spatula with papillae (from Möhn, 1955a)

Tricholaba trifolii: larva

anal segment (from Nijveldt, 1963a)

synonyms

Tricholaba barnesi Milne, 1960.

notes

This species mostly occurs as an inquiline with Dasineura trifolii, but also seems capable to induce galls autonomously. In the case of Dasineura the whole leaflet is galled and swollen, while in Tricholaba only the central part of the leaflet is weakly galled. The larva is pale orange-red; pupation in the soil.

references

Buhr (1965a), Dauphin & Aniotsbehere (1997a), Gagné (2010a), Gagné & Jaschhof (2014), Möhn (1955a), Nijveldt (1959b, 1963a, 1967a), Redfern & Shirley 2011a), Roskam (2009a), Roskam & Carbonnelle (2015a), Rübsamen (1917a), Simova-Tošić, Skuhravá & Skuhravý (1996a, 2000a, 2007a), Skuhravá & Skuhravý (1997a, 1999a,b, 2005c, 2006a, 2009a, 2010a, 2021a: 285), Skuhravá, Skuhravý, Dauphin & Coutin (2005a), Skuhravá, Skuhravý, Dončev & Dimitrova (1991a, 1992a), Skuhravá, Skuhravý & Meyer (2014a), Skuhravá, Skuhravý & Neacsu (1972a), Skuhravá, Skuhravý, Skrzypczyńska & Szadziewski (2008a).

Last modified 19.iv.2023